121886085 has 16 divisors (see below), whose sum is σ = 203497344. Its totient is φ = 62179392.

The previous prime is 121886053. The next prime is 121886111. The reversal of 121886085 is 580688121.

It is not a de Polignac number, because 121886085 - 2⁵ = 121886053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176302 + ... + 176991.

It is an arithmetic number, because the mean of its divisors is an integer number (12718584).

Almost surely, 2^121886085 is an apocalyptic number.

121886085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121886085 is a deficient number, since it is larger than the sum of its proper divisors (81611259).

121886085 is a wasteful number, since it uses less digits than its factorization.

121886085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353324.

The product of its (nonzero) digits is 30720, while the sum is 39.

The square root of 121886085 is about 11040.2031231314. The cubic root of 121886085 is about 495.8131517965.

The spelling of 121886085 in words is "one hundred twenty-one million, eight hundred eighty-six thousand, eighty-five".